Japan Construction Mechanization Association
The membership of the JCMA is composed of any individuals or organizations who have interests in construction machinery, but the members authorized in the civil code are organizations only, such as public corporations, power companies, manufacturers, contractors, traders, maintenance services, lease and rental companies, institutes, consultants and associations.

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March, 1949
gSteering Committee of Construction Mechanizationh established as an association without a legal entity status
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July, 1949
First Construction Machinery Exhibition hosted by the Ministry of Construction and backed up the Committee
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July, 1950
Kansai Branch launched
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August, 1950
Corporate status granted for reestablishment as Construction Mechanization Association under control of the Ministry of International Trade and Industry and the Ministry of Construction
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October, 1950
The first edition of gJapan Construction Equipment Handbookh published
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July, 1952
Renamed as Japan Construction Mechanization Association.
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August, 1952
Chugoku-Shikoku Branch launched
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February, 1953
Hokkaido Branch and Tohoku Branch launched
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October, 1957
Kyushu Branch launched
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April, 1958
Chubu Branch launched
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September, 1959
The first overseas construction mechanization inspection tour dispatched
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February, 1961
The first snow removal machine exhibition and demonstration held
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November, 1962
Hokuriku Branch launched
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October, 1964
Japan Construction Method and Machinery Research Institute established
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May, 1973
ISO International Conference held in Tokyo
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June, 1975
Shikoku Branch separated as an independent branch from Chugoku-Shikoku Branch, subsequently renamed Chugoku Branch
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October, 1975
The first symposium on construction equipment and methods held
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January, 1976
Proprietary standards JCMAS established
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October, 1980
The first movie presentation held
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June, 1981
ISO International Conference held in Tokyo
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October, 1988
Designated to organize examinations for Construction Equipment and Technologies License Examinations
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October, 1988
Chairmanfs Award created
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June, 1990
ISO International Conference held in Kobe
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April, 1992
Kato Award created
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April, 1996
ISO International Conference held in Tokyo
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May, 1999
The 50th anniversary celebration ceremony held
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November, 2002
Japan Construction Method and Machinery Research Institute renamed